3v4l.org

run code in 300+ PHP versions simultaneously
<?php function g($name, array $vars) { return $name; } function f(&$v) { $v = 5; } $foo = null; $name = 'foo'; call_user_func_array('f', array(&${g($name, get_defined_vars())})); var_dump($foo);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0130.00618.43
8.3.50.0110.00921.21
8.3.40.0070.00718.70
8.3.30.0040.01119.10
8.3.20.0040.00420.38
8.3.10.0070.00022.09
8.3.00.0070.00022.23
8.2.180.0120.00316.75
8.2.170.0000.01422.96
8.2.160.0150.00019.32
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0080.00626.16
8.2.120.0040.00419.36
8.2.110.0070.00322.29
8.2.100.0120.00019.63
8.2.90.0000.00719.22
8.2.80.0040.00418.00
8.2.70.0030.00617.50
8.2.60.0080.00017.93
8.2.50.0040.00418.07
8.2.40.0080.00019.95
8.2.30.0000.00717.94
8.2.20.0050.00217.66
8.2.10.0040.00417.73
8.2.00.0000.00817.72
8.1.280.0170.00325.92
8.1.270.0050.00322.19
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0040.00423.97
8.1.230.0080.00318.97
8.1.220.0080.00017.74
8.1.210.0050.00318.77
8.1.200.0030.00717.35
8.1.190.0000.00917.53
8.1.180.0030.00618.77
8.1.170.0040.00418.57
8.1.160.0050.00322.14
8.1.150.0040.00418.55
8.1.140.0040.00417.51
8.1.130.0000.01117.41
8.1.120.0000.00717.46
8.1.110.0000.00817.45
8.1.100.0000.00717.38
8.1.90.0030.00517.38
8.1.80.0080.00017.48
8.1.70.0030.00317.45
8.1.60.0040.00717.51
8.1.50.0070.00017.57
8.1.40.0040.00417.55
8.1.30.0040.00417.46
8.1.20.0030.00617.68
8.1.10.0000.00817.48
8.1.00.0040.00417.44
8.0.300.0040.00418.77
8.0.290.0070.00017.18
8.0.280.0000.00718.47
8.0.270.0000.00717.27
8.0.260.0050.00216.70
8.0.250.0000.00617.00
8.0.240.0050.00316.87
8.0.230.0030.00316.96
8.0.220.0030.00316.76
8.0.210.0040.00416.89
8.0.200.0000.00616.93
8.0.190.0030.00316.92
8.0.180.0020.00516.93
8.0.170.0000.00816.93
8.0.160.0040.00416.96
8.0.150.0040.00416.86
8.0.140.0050.00316.75
8.0.130.0030.00313.32
8.0.120.0060.00316.84
8.0.110.0000.00816.93
8.0.100.0000.00716.79
8.0.90.0040.00416.77
8.0.80.0100.01116.81
8.0.70.0070.00016.70
8.0.60.0040.00416.88
8.0.50.0040.00416.94
8.0.30.0120.00617.28
8.0.20.0080.01017.40
8.0.10.0050.00316.89
8.0.00.0200.00516.81
7.4.330.0060.00015.00
7.4.320.0060.00016.49
7.4.300.0060.00016.61
7.4.290.0070.00016.47
7.4.280.0000.00616.39
7.4.270.0000.00716.44
7.4.260.0070.00016.35
7.4.250.0080.00016.57
7.4.240.0000.00716.58
7.4.230.0070.00016.41
7.4.220.0110.00916.59
7.4.210.0070.00716.57
7.4.200.0070.00016.32
7.4.190.0040.00416.76
7.4.160.0060.00916.30
7.4.150.0110.00617.40
7.4.140.0090.00917.86
7.4.130.0140.00316.39
7.4.120.0060.01216.41
7.4.110.0110.00716.33
7.4.100.0030.01316.41
7.4.90.0070.01016.42
7.4.80.0140.01419.39
7.4.70.0110.00516.43
7.4.60.0040.01216.43
7.4.50.0030.00316.52
7.4.40.0080.00622.77
7.4.30.0060.00916.30
7.4.00.0070.01015.13
7.3.330.0080.00013.24
7.3.320.0000.00513.12
7.3.310.0030.00316.24
7.3.300.0030.00316.24
7.3.290.0030.01116.21
7.3.280.0110.00716.23
7.3.270.0100.00717.40
7.3.260.0030.01316.15
7.3.250.0150.00616.49
7.3.240.0070.01016.29
7.3.230.0150.00616.39
7.3.210.0040.01416.45
7.3.200.0040.01519.39
7.3.190.0130.00716.42
7.3.180.0060.00916.24
7.3.170.0100.00716.52
7.3.160.0040.01216.66
7.3.120.0080.00814.53
7.2.330.0100.00716.54
7.2.320.0120.01216.72
7.2.310.0030.01416.64
7.2.300.0040.01216.63
7.2.290.0080.00816.54
7.2.60.0040.00816.68
7.1.200.0100.00315.68
7.1.70.0090.00617.02
7.1.60.0100.01419.82
7.1.50.0060.01916.72
7.1.00.0030.03322.28
7.0.200.0030.00316.63
7.0.140.0100.06721.96
7.0.60.0030.07721.72
7.0.50.0030.06017.87
7.0.40.0030.04320.11
7.0.30.0330.07720.30
7.0.20.0130.04320.30
7.0.10.0030.04320.15
7.0.00.0030.05020.09
5.6.210.0100.09020.73
5.6.200.0100.07718.19
5.6.190.0030.04720.61
5.6.180.0400.07320.77
5.6.170.0200.05720.62
5.6.160.0030.05020.54
5.6.150.0030.05718.18
5.6.140.0000.08318.21
5.6.130.0100.05718.24
5.6.120.0200.07320.89
5.6.110.0170.07020.99
5.6.100.0100.08320.96
5.6.90.0030.08320.99
5.6.80.0230.06720.29
5.5.350.0230.06020.40
5.5.340.0130.07717.98
5.5.330.0030.09320.47
5.5.320.3630.04020.38
5.5.310.0200.06720.27
5.5.300.0100.05318.08
5.5.290.0100.08317.99
5.5.280.0170.08020.87
5.5.270.0100.07320.78
5.5.260.0000.09020.88
5.5.250.0030.07320.46
5.5.240.0030.08320.21
5.4.450.0770.06719.59
5.4.440.0130.05719.34
5.4.430.0200.05019.44
5.4.420.0300.04019.59
5.4.410.0200.04719.02
5.4.400.1430.06718.76
5.4.390.1400.06018.79
5.4.380.0230.05318.61
5.4.370.0100.05318.74
5.4.360.0200.04318.81
5.4.350.0230.04718.56
5.4.340.0200.04318.84
5.4.320.0030.04012.51
5.4.310.0110.03612.50
5.4.300.0070.03612.50
5.4.290.0070.03912.50
5.4.280.0070.03512.39
5.4.270.0070.03512.40
5.4.260.0200.04019.10
5.4.250.0100.05718.89
5.4.240.0070.05718.80
5.4.230.0070.07318.79
5.4.220.0070.06318.97
5.4.210.0000.08318.79
5.4.200.0200.06318.74
5.4.190.0070.07318.88
5.4.180.0100.07719.08
5.4.170.0030.05718.90
5.4.160.0100.05318.97
5.4.150.0130.05318.93
5.4.140.0070.05316.41
5.4.130.0130.04316.48
5.4.120.0230.05016.59
5.4.110.0070.05316.38
5.4.100.0070.05316.54
5.4.90.0100.04716.46
5.4.80.0030.07316.51
5.4.70.0070.06016.55
5.4.60.0130.06316.44
5.4.50.0130.04316.52
5.4.40.0000.05316.59
5.4.30.0100.06716.45
5.4.20.0100.04716.55
5.4.10.0070.07016.52
5.4.00.0070.05015.84
5.3.290.0060.04112.80
5.3.280.0130.05314.60
5.3.270.0100.05014.58
5.3.260.0070.05714.74
5.3.250.0070.07014.83
5.3.240.0170.04714.58
5.3.230.0070.06714.62
5.3.220.0070.07314.64
5.3.210.0170.04314.61
5.3.200.0070.07314.56
5.3.190.0070.07314.55
5.3.180.0100.05014.58
5.3.170.0070.05714.73
5.3.160.0170.06714.73
5.3.150.0070.07314.65
5.3.140.0100.05014.65
5.3.130.0000.06014.58
5.3.120.0070.05714.54
5.3.110.0070.05314.63
5.3.100.0030.07314.13
5.3.90.0100.05314.09
5.3.80.0100.05014.24
5.3.70.0130.04014.10
5.3.60.0170.04014.22
5.3.50.0100.05713.95
5.3.40.0100.06013.78
5.3.30.0030.05313.81
5.3.20.0070.06313.92
5.3.10.0130.04313.73
5.3.00.0000.08013.63
5.2.170.0030.04711.33
5.2.160.0100.04011.13
5.2.150.0030.04711.32
5.2.140.0070.06011.10
5.2.130.0070.04011.11
5.2.120.0000.06311.06
5.2.110.0000.04311.09
5.2.100.0070.03711.17
5.2.90.0100.03311.32
5.2.80.0000.04711.18
5.2.70.0070.06011.17
5.2.60.0000.05310.96
5.2.50.0100.03710.98
5.2.40.0130.03311.07
5.2.30.0000.06011.14
5.2.20.0000.04311.03
5.2.10.0030.05310.85
5.2.00.0100.05310.90
5.1.60.0030.03310.02
5.1.50.0070.03310.20
5.1.40.0000.03710.22
5.1.30.0030.03710.40
5.1.20.0070.04010.42
5.1.10.0070.03010.14
5.1.00.0030.03710.31
5.0.50.0000.0438.63
5.0.40.0030.0278.37
5.0.30.0070.0378.05
5.0.20.0030.0408.20
5.0.10.0000.0308.23
5.0.00.0000.0478.39
4.4.90.0070.0177.30
4.4.80.0070.0177.30
4.4.70.0030.0207.30
4.4.60.0030.0307.30
4.4.50.0070.0177.30
4.4.40.0000.0407.30
4.4.30.0070.0177.30
4.4.20.0000.0237.30
4.4.10.0000.0237.30
4.4.00.0000.0477.30
4.3.110.0030.0337.30
4.3.100.0000.0237.30
4.3.90.0070.0177.30
4.3.80.0000.0337.30
4.3.70.0130.0177.30
4.3.60.0000.0307.30
4.3.50.0000.0237.30
4.3.40.0030.0477.30
4.3.30.0000.0277.30
4.3.20.0130.0137.30
4.3.10.0000.0307.30
4.3.00.0100.0276.89

preferences:
43.9 ms | 400 KiB | 5 Q